1012101111109 has 32 divisors (see below), whose sum is σ = 1207047232512. Its totient is φ = 837841536000.

The previous prime is 1012101111101. The next prime is 1012101111157. The reversal of 1012101111109 is 9011111012101.

It is a cyclic number.

It is not a de Polignac number, because 1012101111109 - 2³ = 1012101111101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012101111101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28718119 + ... + 28753339.

It is an arithmetic number, because the mean of its divisors is an integer number (37720226016).

Almost surely, 2^{1012101111109} is an apocalyptic number.

It is an amenable number.

1012101111109 is a deficient number, since it is larger than the sum of its proper divisors (194946121403).

1012101111109 is a wasteful number, since it uses less digits than its factorization.

1012101111109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40237.

The product of its (nonzero) digits is 18, while the sum is 19.

The spelling of 1012101111109 in words is "one trillion, twelve billion, one hundred one million, one hundred eleven thousand, one hundred nine".